Want to see some cool concept art for Captain America: The Winter Soldier? What is Black Widow riding on the set of Avengers: Age of Ultron? Will the Sinister Six appear in The Amazing Spider-Man 2? Who did Anthony Mackie pretend was Falcon’s dad? What could possibly happen in Iron Man 4? Will a second season of Agents of S.H.I.E.L.D improve on the first? Read about all this and more in today’s Superhero Bits.

Film Sketchr has an awesome interview with Captain America: The Winter Soldier concept artist James Carson along with lots of great art.

Unleash the Fanboy has photos of Black Widow’s stunt double doing something cool on the set of Avengers: Age of Ultron.